Abū Muhammad al-Hasan al-Hamdānī died in 945.
"Ab" means father in Aramaic. "Die" is not a known Aramaic word, so the meaning of "Ab die" is unclear.
Maredudd ab Owain ab Edwin died in 1072.
Ab Gowanlock died in 1988.
Ab Wright died in 1995.
Ab Tresling died in 1980.
Yes, AB Guthrie died on None
Hywel ab Edwin died in 1044.
Cadwallon ab Ieuaf died in 986.
Ab Saunders died on 1883-02-05.
Maredudd ab Owain died in 999.
Idwal ab Meirig died in 997.
Goronwy ab Ednyfed died in 1268.